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Soundproofing Basement Ceilings



Soundproofing a basement ceiling? Limited ceiling height?

Oscar Iso-Mount Type 1

The easy to install, space saving isolation acoustic hanger, ideal for soundproofing basement ceilings.  Lose only a few millimetres ceiling height but with the high performance of far deeper systems.  Installation can easily be carried out by a builder or competent DIY person.

Soundproofing a basement ceiling doesn’t mean you have to lose ceiling height because the Iso-Mount acoustic hangers are screwed to the side of timber joists instead of on the underneath.  This purpose designed basement ceiling soundproofing system ensures absolute minimum ceiling height loss which is very important in building projects.

Click here to see our Oscar Iso-Mount installation video.

Soundproofing ceiling

Oscar Iso-Mount Review:

“The whole transaction has been simple and easy.  I fitted the ceiling this weekend and it’s made an instant difference.  So much so that I had to ask the owner of the flat above if he had been using the room above.  I will recommend the product to my friends and will use it on other ceilings in my flat. Keep up the good work!”

Jim Hood 5 star review rating

How does sound transmit through floors and walls?

Sound passes through ceilings and floors as vibrations.  Sound pressure waves generated by a music system or voices in an upper flat, penetrate and travel through the floor boards, joists and ceiling in the form of vibration.  They radiate from the ceiling as sound pressure again; weaker but in many cases still too powerful and loud.  Either side of joists, the sound pressure turns to vibration through the floor – back to sound pressure through the air void – vibration again through the ceiling – and back to sound pressure in the flat below.

The solution

Install a soundproofing basement ceiling by Oscar Acoustics.

Click here to see our Oscar Iso-Mount installation video.

How does it work?

Two factors are fundamental to the success of soundproofing a basement ceiling:

  • Break the path of vibration between ceiling and floor above with Oscar Iso-Mounts
  • Absorb the sound pressure passing through the void

With a high density acoustic absorber packed into the space without gaps: our preferred absorber is Celbar recycled loosefill cellulose fibre.  Celbar is a better insulator than glass fibre and doesn’t have the irritating itch.

How much sound will an Oscar Iso-Mount soundproofing basement ceiling eliminate?

Acoustic testing has shown that a bad noise Building Regulations Approved Document E fail can be turned into an easy pass. Independent testing on a house (ref 19 Wilberforce Road) showed that resistance to airbourne sound (speech, music etc.) increased by 23dB DnT, + Ctr and impact sound insulation increased by 24dB LnT,w; a significant and worthwhile difference.

The installation of the Oscar Iso-Mount Sound proofing ceiling easily complied with the stringent requirements of the 2010 Building Regulations Approved Document E for Airbourne and Impact Sound.

Why use a Oscar Iso-Mount soundproofing basement ceiling system?

  • Absolute minimum of ceiling height loss
  • Adjustable height enabling flat ceilings across uneven joists
  • All work is done from the flat below
  • No access is necessary to the room above
  • The installation of the acoustic ceiling is within the capability of a competent DIY person
  • The system has built in tolerance to allow for reasonable inaccuracy by the acoustic ceiling installer

Contact us for a local soundproofing basement ceiling installer

See main Oscar Iso-Mount soundproofing basement ceiling web page & installation video 

Purchase the Oscar Iso-Mount soundproofing basement ceiling system in our on-line shop

Download Oscar Iso-Mount soundproofing basement ceiling Brochure


Soundproofing basement ceiling article by D.Mack of Oscar Acoustics